@observertc/samples-decoder
Version:
ObserveRTC Library for Decoding Samples
100 lines (99 loc) • 4.84 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MediaSourceStatsDecoder = void 0;
const utils_1 = require("./utils");
const utils_2 = require("./utils");
const Logger_1 = require("./Logger");
class MediaSourceStatsDecoder {
constructor(id, _attachmentsDecoder) {
this.id = id;
this._attachmentsDecoder = _attachmentsDecoder;
this._visited = false;
this._actualValue = undefined;
this._timestampDecoder = new utils_2.NumberToNumberDecoder();
this._idDecoder = new utils_2.StringToStringDecoder();
this._kindDecoder = new utils_2.StringToStringDecoder();
this._trackIdentifierDecoder = new utils_1.Uint8ArrayToStringDecoder();
this._audioLevelDecoder = new utils_2.NumberToNumberDecoder();
this._totalAudioEnergyDecoder = new utils_2.NumberToNumberDecoder();
this._totalSamplesDurationDecoder = new utils_2.NumberToNumberDecoder();
this._echoReturnLossDecoder = new utils_2.NumberToNumberDecoder();
this._echoReturnLossEnhancementDecoder = new utils_2.NumberToNumberDecoder();
this._widthDecoder = new utils_2.NumberToNumberDecoder();
this._heightDecoder = new utils_2.NumberToNumberDecoder();
this._framesDecoder = new utils_2.NumberToNumberDecoder();
this._framesPerSecondDecoder = new utils_2.NumberToNumberDecoder();
}
get visited() {
const result = this._visited;
this._visited = false;
return result;
}
reset() {
this._timestampDecoder.reset();
this._idDecoder.reset();
this._kindDecoder.reset();
this._trackIdentifierDecoder.reset();
this._audioLevelDecoder.reset();
this._totalAudioEnergyDecoder.reset();
this._totalSamplesDurationDecoder.reset();
this._echoReturnLossDecoder.reset();
this._echoReturnLossEnhancementDecoder.reset();
this._widthDecoder.reset();
this._heightDecoder.reset();
this._framesDecoder.reset();
this._framesPerSecondDecoder.reset();
this._attachmentsDecoder.reset();
}
decode(input) {
this._visited = true;
const timestamp = this._timestampDecoder.decode(input.timestamp);
const id = this._idDecoder.decode(input.id);
const kind = this._kindDecoder.decode(input.kind);
if (!timestamp || id === undefined || kind === undefined) {
Logger_1.logger.warn("Invalid media source stats sample: missing timestamp or id");
return undefined;
}
this._actualValue = {
timestamp,
id,
kind,
trackIdentifier: this._trackIdentifierDecoder.decode(input.trackIdentifier),
audioLevel: this._audioLevelDecoder.decode(input.audioLevel),
totalAudioEnergy: this._totalAudioEnergyDecoder.decode(input.totalAudioEnergy),
totalSamplesDuration: this._totalSamplesDurationDecoder.decode(input.totalSamplesDuration),
echoReturnLoss: this._echoReturnLossDecoder.decode(input.echoReturnLoss),
echoReturnLossEnhancement: this._echoReturnLossEnhancementDecoder.decode(input.echoReturnLossEnhancement),
width: this._widthDecoder.decode(input.width),
height: this._heightDecoder.decode(input.height),
frames: this._framesDecoder.decode(input.frames),
framesPerSecond: this._framesPerSecondDecoder.decode(input.framesPerSecond),
attachments: this._attachmentsDecoder.decode(input.attachments),
};
return this._actualValue;
}
get actualValue() {
return this._actualValue;
}
set actualValue(sample) {
if (!sample)
return;
this._visited = true;
this._actualValue = sample;
this._timestampDecoder.actualValue = sample.timestamp;
this._idDecoder.actualValue = sample.id;
this._kindDecoder.actualValue = sample.kind;
this._trackIdentifierDecoder.actualValue = sample.trackIdentifier;
this._audioLevelDecoder.actualValue = sample.audioLevel;
this._totalAudioEnergyDecoder.actualValue = sample.totalAudioEnergy;
this._totalSamplesDurationDecoder.actualValue = sample.totalSamplesDuration;
this._echoReturnLossDecoder.actualValue = sample.echoReturnLoss;
this._echoReturnLossEnhancementDecoder.actualValue = sample.echoReturnLossEnhancement;
this._widthDecoder.actualValue = sample.width;
this._heightDecoder.actualValue = sample.height;
this._framesDecoder.actualValue = sample.frames;
this._framesPerSecondDecoder.actualValue = sample.framesPerSecond;
this._attachmentsDecoder.actualValue = sample.attachments;
}
}
exports.MediaSourceStatsDecoder = MediaSourceStatsDecoder;